flapper-type
| cement float valve
| flapper type | |
| tech. | тип с заслонкой |
| cement float valve | |
| oil | цементировочный обратный клапан |
| |||
| тип с заслонкой | |||
| тип напр. клапана с заслонкой | |||
|
flapper-type : 9 phrases in 7 subjects |
| Karachaganak | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Production | 2 |
| Sakhalin | 1 |
| Technology | 1 |
| Transport | 2 |